Table IV.
Correlation of JOA scores in patients treated with m- or c-TLIF over time.
| Variables | JOA score | F | P-value |
|---|---|---|---|
| Preoperative | 0.273 | 0.603 | |
| m-TLIF | 11.941±0.202 (11.539–12.343) | ||
| c-TLIF | 11.791±0.204 (11.385–12.197) | ||
| Follow-up at 7 days post surgery | 4.997 | 0.028 | |
| m-TLIF | 13.952±0.264 (13.428–14.477) | ||
| c-TLIF | 13.113±0.267 (12.583–13.643) | ||
| Follow-up at 1 month post surgery | |||
| m-TLIF | 14.154±0.275 (13.609–14.700) | 0.175 | 0.677 |
| c-TLIF | 13.991±0.278 (13.439–14.543) | ||
| Follow-up at 3 months post surgery | 0.789 | 0.377 | |
| m-TLIF | 14.135±0.212 (13.713–14.556) | ||
| c-TLIF | 13.867±0.215 (13.440–14.293) | ||
| Follow-up at 12 months post surgery | 0.016 | 0.901 | |
| m-TLIF | 14.096±0.275 (13.550–14.642) | ||
| c-TLIF | 14.047±0.278 (13.495–14.599) | ||
| Follow-up at 36 months post surgery | 0.027 | 0.870 | |
| m-TLIF | 13.870±0.251 (13.371–14.368) | ||
| c-TLIF | 13.811±0.254 (13.307–14.315) | ||
| Follow-up at 60 months post surgery | 0.012 | 0.912 | |
| m-TLIF | 14.024±0.280 (13.468–14.580) | ||
| c-TLIF | 13.980±0.283 (13.417–14.543) |
Data are presented as mean ± standard deviation with a 95% confidence interval (paired t-test). TLIF, transforaminal lumbar interbody fusion; m, minimally invasive; c, classical open; JOA, Japanese orthopedic association.